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python numpy ValueError: operands could not be broadcast together with shapes
In numpy, I have two "arrays", X is (m,n) and y is a vector (n,1)
6 Answers
6
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LINQ Ring: Any() vs Contains() for Huge Collections
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Contains() is an instance method, and its performance depends largely on the collection itself. For instance, Contains() on a List is O(n), while Contains() on a HashSet is O(1).
Any() is an extension method, and will simply go through the collection, applyi...
MS-DOS Batch file pause with enter key
Is it possible in MS-DOS batch file to pause the script and wait for user to hit enter key?
5 Answers
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Stop setInterval
I want to stop this interval in the error handler from running repeatedly. Is that possible, and if so, how?
6 Answers
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Invoke-WebRequest, POST with parameters
I'm attempting to POST to a uri, and send the parameter username=me
4 Answers
4
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How to get the name of the calling method?
...swered Feb 26 '13 at 20:18
Marc-André LafortuneMarc-André Lafortune
70.6k1414 gold badges150150 silver badges162162 bronze badges
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What is this CSS selector? [class*=“span”]
...ething like this:-
<div class="something-else-class"></div>
and 'ends with...'
div[class$="something"] { }
which would work on
<div class="you-are-something"></div>
Good references
CSS3 Attribute Selectors: Substring Matching
The 30 CSS Selectors you Must Memorize
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For each row return the column name of the largest value
I have a roster of employees, and I need to know at what department they are in most often. It is trivial to tabulate employee ID against department name, but it is trickier to return the department name, rather than the number of roster counts, from the frequency table. A simple example below (colu...
Determine if 2 lists have the same elements, regardless of order? [duplicate]
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You can simply check whether the multisets with the elements of x and y are equal:
import collections
collections.Counter(x) == collections.Counter(y)
This requires the elements to be hashable; runtime will be in O(n), where n is the size of the lists.
If the elements are also unique, y...
Does every Javascript function have to return a value?
...-like comments to each function, I write. So I begin each of it with /** and then I press Enter to let Netbeans fulfill default comment scheme for following function.
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